Finding the Fourth Proportional to 1,579,149.24, 2,179,243.16 and 854,011.12
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Solution
The fourth proportional to 1,579,149.24, 2,179,243.16 and 854,011.12 is: 1,178,544.65
Step by Step Solution
- Step 1: Write the proportion equation
1,579,149.24 : 2,179,243.16 = 854,011.12 : x - Step 2: Convert to fraction form
1,579,149.24/2,179,243.16 = 854,011.12/x - Step 3: Cross multiply
1,579,149.24x = 2,179,243.16 × 854,011.12 - Step 4: Simplify right side
1,579,149.24x = 1,861,097,891,823.94 - Step 5: Solve for x
x = 1,861,097,891,823.94/1,579,149.24 - Step 6: Final answer
x = 1,178,544.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.